Abstract:
The color display device includes a colored light generation unit for repetitively generating a plurality of colored lights in a time sequence with a predetermined frequency, and an image generation unit for processing said plurality of colored lights, so as to generate an image corresponding to each of the plurality of colored lights generated in a time sequence. The said predetermined frequency is 180 Hz or more.
Abstract:
A progressive-power spectacle lens design method, the progressive-power spectacle lens including a distance portion, a near portion, and a progressive portion provided between the distance portion and the near portion, the method comprising: decreasing a distance along a principal meridian from a fitting point to a progression start point and increasing a length of a progressive corridor defined by the progression start point and a progression end point when addition power is large, whereas increasing the distance along the principal meridian from the fitting point to the progression start point and decreasing the length of the progressive corridor when the addition power is small, wherein the distance from the fitting point to the progression end point is fixed irrespective of the addition power.
Abstract:
The color display device includes a colored light generation unit for repetitively generating a plurality of colored lights in a time sequence with a predetermined frequency, and an image generation unit for processing said plurality of colored lights, so as to generate an image corresponding to each of the plurality of colored lights generated in a time sequence. The said predetermined frequency is 180 Hz or more.
Abstract:
A vision shift amount measuring method includes: forming a reference mark indicating a distance eye point on a surface of a spectacle lens attached to a spectacle frame practically worn by a wearer, and forming a plurality of opaque lines in an area expected to contain a shifted vision on the surface of the spectacle lens with a predetermined space between the adjoining lines; and allowing the wearer wearing the spectacle frame to select the line closest to a position through which the vision passes from the plural formed lines.
Abstract:
A downward eyeball movement measuring jig which measures downward eyeball movement corresponding to a distance between a distant eye point and a near eye point of a spectacle lens attached to a spectacle frame to be worn by a wearer of the spectacle lens includes: a mask which is provided on the surface of an examination spectacle lens attached to the spectacle frame and has a reference line passing the distant eye point and extending in the horizontal direction.
Abstract:
The color display device includes a colored light generation unit for repetitively generating a plurality of colored lights in a time sequence with a predetermined frequency, and an image generation unit for processing said plurality of colored lights, so as to generate an image corresponding to each of the plurality of colored lights generated in a time sequence. The said predetermined frequency is 180 Hz or more.
Abstract:
A semiconductor device has a MOS capacitor in which a drain region and a source region of a MOS structure are commonly connected, and a capacitance is formed between the commonly connected drain region/source region and a gate electrode of the MOS structure; and a wiring capacitor which has a first comb-shaped wiring that is formed on said MOS capacitor through an interlayer insulating film, is connected to the gate electrode of said MOS capacitor, and has projecting portions projecting like comb teeth and a second comb-shaped wiring that is formed on said MOS capacitor through the interlayer insulating film, is arranged across an inter-line insulating film from the first comb-shaped wiring, is connected to the drain region and source region, and has projecting portions projecting like comb teeth, wherein the projecting portions of the second comb-shaped wiring are arranged alternately with the projecting portions of the first comb-shaped wiring and arranged perpendicularly to a channel direction connecting the drain region and source region of said MOS capacitor.
Abstract:
An eyeball infraduction value Indih is measured, and then ΔE is determined from an equation ΔE=Indih−(Fh+SPh+Nh) based on the eyeball infraduction value Indih, a distance portion eyepoint height Fh, a progressive corridor length SPh, and a reading portion eyepoint height Nh, and Oh is determined from an equation of Oh=Bh−(Fh+SPh+Nh+ΔE+Uh) based on the ΔE, a lens portion height Bh, the distance portion eyepoint height Fh, the progressive corridor length SPh, the reading portion eyepoint height Nh, and a lower frame height Uh. A spectacle lens that satisfies conditions of 0 mm≦ΔE≦2 mm and 0 mm
Abstract:
A spectacle lens selection system includes a manufacturer side terminal and a store side terminals installed in a store and is connected to the manufacturer side terminal via a network. The store side terminal transmits a wearing condition parameters including a downward rolling length of eyes and a lateral gaze length of a spectacle wearer to the manufacturer side terminal, and the manufacturer side terminal selects a most suitable product based on the wearing condition parameters, and transmits the result to the store side terminal.
Abstract:
A wearing condition parameter measurement device for a spectacle lens adapted to measure a wearing condition parameter necessary for manufacturing spectacles includes a mirror having a mirror surface adapted to reflect the wearing condition of a wearer of the spectacle lens, an imaging camera adapted to simultaneously shoot the wearer and the mirror surface reflecting the wearer to obtain a shot image, and a calculation device adapted to calculate the wearing condition parameter based on the shot image obtained by the imaging camera.